WO2018006602A1 - Vein imaging system using laser illumination - Google Patents

Abstract

A vein imaging system (100) using laser illumination, comprising: a controller (1) and a vein imaging device (10). The controller (1) is electrically connected to the vein imaging device (10). The vein imaging device (10) comprises: a sliding component (2), an image generating component (3), a base (4), and a first sliding rail (5). The first sliding rail (5) is disposed on the base (4). The sliding component (2) is disposed on the first sliding rail (5). The image generating component (3) is disposed on an internal surface of the sliding component (2). The image generating component (3) comprises a casing (30), a second sliding rail (31), a camera (32) and a laser illuminating component (33). The second sliding rail (31) is disposed within the casing (30). The camera (32) and the laser illuminating component (33) are disposed on the second sliding rail (31). The sliding component (3), camera (32), and laser illuminating component (33) are electrically connected to the controller (1). The vein imaging system (100) using laser illumination can perform vein imaging on a human body part so as to allow an operator to accurately locate a vein for infusion or blood collection. The invention reduces medical risks and improves convenience for a patient and medical personnel.

Description

 Title: Inventive name: venous vascular imaging system with laser irradiation

 [0001] The present invention relates to the field of medical devices, and more particularly to a venous vascular imaging system that uses laser irradiation.

 Background technique

 [0002] At present, venous blood collection and infusion are usually determined by human visual observation and accumulated experience to determine infusion blood vessels. However, in many cases, the elderly, obese, children and their critically ill patients are often unable to accurately determine the position of the blood vessels due to blood vessel dryness or fat accumulation during infusion, resulting in a needle that does not work well after insertion. Come to physical and psychological pain.

 technical problem

 [0003] A primary object of the present invention is to provide a venous vascular imaging system using laser irradiation, which aims to solve the problem that the existing finding of a venous blood vessel requires manual search resulting in low accuracy.

 Problem solution

 Technical solution

 [0004] In order to achieve the above object, the present invention provides a venous blood vessel imaging system using laser irradiation, wherein the venous blood vessel imaging system using laser irradiation comprises a control device and a venous blood vessel imaging device;

[0005] The venous vascular imaging apparatus includes a sliding portion, an image generating portion, a base, and a first sliding rail, the first sliding rail is disposed on the base, and the sliding portion is disposed on the first sliding rail The image generating unit is disposed on an inner surface of the sliding portion;

[0006] The image generating unit includes a casing, a second sliding rail, a camera, and a laser irradiation unit, wherein the second sliding rail is disposed in the outer casing, and the camera and the laser irradiation unit are disposed on the first [0007] the sliding portion, the camera and the laser irradiation portion are electrically connected to the control device;

 [0008] the control device is configured to control the sliding portion to move along the first sliding rail and drive the laser irradiation portion to move along the first sliding rail;

 [0009] the control device is configured to control the laser irradiation portion to move along the second sliding rail;

[0010] the control device is configured to: when the laser irradiation portion moves, control the laser irradiation portion to generate infrared laser light to illuminate a human body portion located below the base; and [0011] The control device is further configured to control the camera to image a venous blood vessel of a human body part irradiated by the infrared laser to obtain an image of the venous blood vessel.

 [0012] Preferably, the laser irradiation unit includes a motor, a pulley, a fixed shaft, a laser generator, and a laser filter. The pulley is disposed on the second slide rail, and the motor is disposed under the pulley. Position, the fixed shaft is disposed at a lower position of the motor, the laser generator is disposed at a bottom of the fixed shaft, and the laser filter is disposed at a position below the laser generator.

 [0013] Preferably, the motor is used to drive the pulley to move along a second sliding rail, and the laser generator is used to generate an infrared laser, and the laser filter is used to filter the infrared laser.

 [0014] Preferably, the image generating unit further includes a filter disposed at a position in front of the second slide rail for filtering visible light.

 [0015] Preferably, the image generating unit further includes a telescopic cylinder and a cylinder cover, wherein the telescopic cylinder is connected to a bottom of the outer casing, and the cylinder cover is disposed at a bottom position of the telescopic cylinder.

[0016] Preferably, the cover is provided with a light transmission hole, and the inner surface of the cover is coated with a black opaque material.

[0017] Preferably, the cover includes a first rotating shaft, a second rotating shaft, and a roll connected to the first rotating shaft and the second rotating shaft, wherein the light transmission hole is disposed on the roll.

[0018] Preferably, the venous blood vessel imaging device further includes a support portion disposed at a position below the two ends of the base.

 Advantageous effects of the invention

 Beneficial effect

 [0019] Compared with the prior art, the venous blood vessel imaging system using laser irradiation according to the present invention adopts the above technical solution, and achieves the following technical effects: a venous blood vessel capable of irradiating a human body part by an infrared laser to a human body part Imaging allows the operator to accurately identify venous blood vessels that require infusion or blood collection, reducing medical risks and facilitating medical staff and patients.

 Brief description of the drawing

 DRAWINGS

 1 is a schematic structural view of a preferred embodiment of a venous vascular imaging system using laser irradiation according to the present invention; [0021] FIG. 2 is a view showing a preferred embodiment of an image generating portion in a venous vascular imaging system using laser irradiation according to the present invention; Schematic diagram of the section structure;

3 is a front elevational view showing a preferred embodiment of the cover of the image generating unit of the present invention; [0022] FIG. 4 is a bottom view of a preferred embodiment of the cover of the image generating unit of the present invention.

 [0024] The implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings.

 BEST MODE FOR CARRYING OUT THE INVENTION

 BEST MODE FOR CARRYING OUT THE INVENTION

The specific embodiments, structures, features and utilities of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

 1 is a schematic view showing the structure of a preferred embodiment of a venous blood vessel imaging system using laser irradiation according to the present invention.

 [0027] The venous blood vessel imaging system 100 using laser irradiation includes a control device 1 and a venous blood vessel imaging device

10. The control device 1 is electrically connected to the venous blood vessel imaging device 10.

[0028] The venous blood vessel imaging apparatus 10 includes a sliding portion 2, an image generating portion 3, a base 4, a first sliding rail 5, and a supporting portion 6.

 [0029] The first slide rail 5 is disposed on the base 4. In this embodiment, the first sliding rails 5 are disposed in two and are disposed in parallel on the two long sides of the base 4.

 [0030] The sliding portion 2 is disposed on the first sliding rail 5. Specifically, a bottom of the sliding portion 2 is provided with a driving wheel (not shown), the driving wheel is disposed on the first sliding rail 5, and the sliding portion 2 passes through the driving wheel at the Moving on a slide rail 5.

 [0031] The image generating unit 3 is disposed on an inner surface of the sliding portion 2 for imaging a vein of a human body to obtain an image of a venous blood vessel.

 [0032] A support portion 6 is respectively disposed at a lower position of both ends of the base 4. The support portion 6 is for contacting the venous blood vessel imaging device 10 when the venous blood vessel imaging device 10 is placed on a body part, and is in contact with the human body portion. In this embodiment, the support portion 6 is an arched structure, and the base 4 is conveniently placed on a human body part (for example, a leg or an arm, etc.) to image a vein of a human body part.

[0033] The control device 1 is electrically connected to the sliding portion 2. The control device 1 is used to control the movement of the sliding portion 2 along the first slide rail 5. In the embodiment, a driving device (not shown) is disposed in the sliding portion 2, and the control device 1 controls the driving wheel on the sliding portion 2 to drive the sliding portion 2 by the driver. Move along the first slide rail 5.

 Further, the control device 1 is electrically connected to the video generation unit 3. The control device 1 is for controlling the image generating unit 3 to image a vein of a human body located below the base 4. Further, the control device 1 is further connected to a display (not shown in Fig. 1) for displaying an image of a vein of a human body portion generated by the image generating unit 3.

 [0035] It should be noted that the sliding portion 2 and the base 4 are both hollow structures. When the human body part is located at a position below the base 4, the image generating unit 3 emits infrared laser light and irradiates the human body part located below the base 4, and simultaneously images the vein blood vessels in the human body part irradiated by the infrared laser light. , to obtain venous blood vessels. Further, the image generating unit 3 will be described in detail in FIG. 2.

 2 is a cross-sectional structural view showing a preferred embodiment of an image generating portion in a venous blood vessel imaging system using laser irradiation according to the present invention.

 The image generating unit 3 includes a casing 30, a second rail 31, a camera 32, a laser irradiation unit 33, a filter 34, a telescopic cylinder 35, and a cylinder cover 36.

 [0038] The second slide rail 31 is disposed in the outer casing 30, and the camera 32 and the laser irradiation portion 33 are disposed on the second slide rail 31. In this embodiment, the second sliding rail 31 is an arc-shaped sliding rail.

 [0039] The camera 32 is used to image a venous blood vessel of a human body part to obtain an image of a venous blood vessel. In this embodiment, the lens (not shown) of the camera 32 is an infrared coated lens. It should be noted that the camera 32 may be fixed to a specific position of the second slide rail 31, or may be configured as a movable structure, that is, the camera 32 may be moved on the second slide rail 31 to The position of the camera 32 is adjusted. In other embodiments, the second rail 31 may be omitted. In this case, the camera head 32 and the laser irradiation portion 33 are attached to a fixed position in the casing 30, and the relative position between the laser irradiation portion 33 and the human body portion is changed by the movement of the sliding portion 2.

 [0040] The laser irradiation portion 33 includes a motor 330, a pulley 331, a fixed shaft 332, a laser generator 333, and a laser filter 334. The pulley 331 is disposed on the second slide rail 31. The motor 330 is disposed at a position below the pulley 331. The fixed shaft 332 is disposed at a lower position of the motor 330, the laser generator 333 is disposed at a bottom of the fixed shaft 332, and the laser filter 334 is disposed at a position below the laser generator 333.

[0041] The motor 330 is configured to drive the pulley 331 to move along the second slide rail 31. The laser generator 333 is used For generating infrared lasers. The laser filter sheet 334 is configured to filter the infrared laser (ie, filter out stray light other than the infrared laser) to improve the purity of the infrared laser.

[0042] The filter 34 is disposed at a position in front of the second rail 31. The filter 34 is used to filter visible light.

 [0043] The sliding portion 2, the camera 32, and the laser irradiation portion 33 are all electrically connected to the control device 1. The control device 1 is for controlling the sliding portion 2, the camera 32, and the laser irradiation portion 33.

 Specifically, the control device 1 controls the sliding portion 2 to move along the first slide rail 5 and to move the laser irradiation portion 33 in the image generating portion 3 in the first slide rail direction. The control device 1 controls the laser irradiation portion 33 to move along the second rail 30. When the laser irradiation portion 33 is moved, the control device 1 controls the laser irradiation portion 33 to generate infrared laser light to illuminate a human body portion located below the base 4.

 [0045] The control device 1 controls the camera 32 to image a venous blood vessel of a human body portion irradiated with infrared laser light to obtain an image of a venous blood vessel. The imaging principle of the venous blood vessel is as follows: the camera 32 is aligned with a human body part, and after the infrared laser is irradiated to the human body part, the infrared laser is absorbed and reflected by the deoxygenated hemoglobin in the venous blood, and then the reflected image is collected by the camera 32, and the image is fed. The control device 1 is physically enhanced and presented on the display device so that the doctor can clearly see the venous blood vessels on the surface of the human body.

 [0046] The telescopic cylinder 35 is coupled to the bottom of the outer casing 30. The cylinder cover 36 is disposed at a bottom position of the telescopic cylinder 35. The cylinder cover 36 is provided with a light transmission hole 360. The infrared laser light generated by the laser generator 333 is irradiated to the human body portion through the light transmission hole 360. In order to prevent the infrared laser from being transmitted from other areas of the canopy 36, causing scattering of the infrared laser, affecting the sharpness of the image of the venous blood vessel, the inner surface of the canopy 36 is coated with a black opaque material. That is to say, the infrared laser generated by the laser generator 333 can only be irradiated to the human body part through the light transmission hole 360. In addition, the laser generator 333 may be plural (illustrated by taking two as an example in FIG. 3), and the infrared laser light generated by the plurality of laser generators 333 is irradiated into the light transmission hole 36.

 Further, the position of the light transmission hole 360 in the canister 36 can be changed.

Specifically, as shown in FIG. 3 and FIG. 4, the cover 36 includes a first rotating shaft 361, a second rotating shaft 362, and a roll connected to the first rotating shaft 361 and the second rotating shaft 362. 363. The light transmission hole 360 is disposed on the roll 363. When the first rotating shaft 361 and the second rotating shaft 362 are rotated, the roll is rotated, and the position of the light-transmitting hole 360 is changed. In this embodiment, the roll 363 is black and impervious. The roll of the Ming. The control device 1 is electrically connected to the first rotating shaft 361 and the second rotating shaft 362, and is configured to control the rotation of the first rotating shaft 361 and the second rotating shaft 362 to drive the roll 363 to move, thereby changing The position of the light transmission hole 360.

 [0049] When the position of the light transmission hole 360 on the cylinder cover 36 is changed, the laser irradiation portion 33 moves along the second slide rail 31 such that the infrared laser light generated by the laser generator 333 is always irradiated on the Light transmission hole 36.

 [0050] When the venous vascular imaging system 100 is operated, the telescopic cylinder 35 is elongated and the canopy 36 is attached to the human body portion, and the laser generator 333 generates infrared laser light and passes through the light transmission hole. 360 shines on the human body. By attaching the canopy 36 to the body part, it is possible to avoid more or less scattering of the infrared laser, and it is possible to more accurately image the vein of the human body.

 [0051] In other embodiments, the telescopic cylinder 35 and the cylinder cover 36 may be omitted. In this case, the infrared laser generated by the laser generator 333 passes through the filter 34 and directly illuminates the human body part.

 [0052] The working principle of the venous blood vessel imaging system 100 using laser irradiation is as follows: The venous blood vessel imaging device 10 is placed on a human body part, and the support portion 6 is in contact with the human body part and supports the venous blood vessel imaging device. 10, the control device 1 controls the venous blood vessel imaging device 10 to be activated, the telescopic cylinder 35 is elongated and the canopy 36 is attached to the human body portion, and the laser generator 333 generates infrared laser light and passes through The light-transmitting hole 360 is irradiated to the human body part, and the camera 32 images the venous blood vessel of the human body part in the light-transmitting hole 360 to obtain an image of the venous blood vessel to which the cover 36 is attached to the position of the human body part.

 The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent function transformations made by the description of the invention and the drawings are directly or indirectly applied to other related The technical field is equally included in the scope of patent protection of the present invention.

 Industrial applicability

 Compared with the prior art, the venous blood vessel imaging system using laser irradiation according to the present invention adopts the above technical solution, and achieves the following technical effects: a venous blood vessel capable of irradiating a human body part by an infrared laser to a human body part Imaging allows the operator to accurately identify venous blood vessels that require infusion or blood collection, reducing medical risks and facilitating medical staff and patients.

Claims

Claim  [Claim 1] A venous blood vessel imaging system using laser irradiation, wherein the venous blood vessel imaging system using laser irradiation includes a control device and a venous blood vessel imaging device; the venous blood vessel imaging device includes a sliding portion, an image a generating portion, a base, and a first sliding rail, wherein the first sliding rail is disposed on the base, the sliding portion is disposed on the first sliding rail, and the image generating portion is disposed in the sliding portion The image generating unit includes a casing, a second sliding rail, a camera, and a laser irradiation unit, wherein the second sliding rail is disposed in the outer casing, and the camera and the laser irradiation portion are disposed in the second The sliding portion, the camera, and the laser irradiation portion are electrically connected to the control device; the control device is configured to control the sliding portion to move along the first sliding rail and drive the laser irradiation portion along the first a sliding rail movement; the control device is configured to control the laser irradiation portion to move along the second sliding rail; the control device is configured to move when the laser irradiation portion Controlling, the laser irradiation portion generates an infrared laser to irradiate a human body portion located at a position below the base; and the control device is further configured to control the camera to image a vein of a human body portion irradiated by the infrared laser to obtain An image of a venous blood vessel.  [Claim 2] The venous angiography system using laser irradiation according to claim 1, wherein The laser irradiation unit includes a motor, a pulley, a fixed shaft, a laser generator, and a laser filter. The pulley is disposed on the second slide rail, and the motor is disposed at a position below the pulley, the fixing The shaft is disposed at a lower position of the motor, the laser generator is disposed at a bottom of the fixed shaft, and the laser filter is disposed at a position below the laser generator.  [Claim 3] The venous blood vessel imaging system using laser irradiation according to claim 2, wherein The motor is configured to drive the pulley to move along a second slide, the laser generator is configured to generate an infrared laser, and the laser filter is used to filter the infrared laser.  [Claim 4] The venous vascular imaging system using laser irradiation according to claim 1, wherein The image generating unit further includes a filter disposed at a front position of the second slide rail for filtering visible light. [Claim 5] The venous blood vessel imaging system using laser irradiation according to claim 1, wherein The image generating unit further includes a telescopic cylinder and a cylinder cover. The telescopic cylinder is connected to a bottom of the outer casing, and the cylinder cover is disposed at a bottom position of the telescopic cylinder.  [Claim 6] The venous blood vessel imaging system using laser irradiation according to claim 5, wherein the cylinder cover is provided with a light transmission hole, and the inner surface of the cylinder cover is coated with a black opaque material [Claim 7] The venous angiography system using laser irradiation according to claim 6, wherein The cover includes a first rotating shaft, a second rotating shaft, and a roll connected to the first rotating shaft and the second rotating shaft, wherein the light transmission holes are disposed on the roll.  [Claim 8] The venous angiography system using laser irradiation according to claim 1, wherein The venous blood vessel imaging device further includes a support portion disposed at a position below the both ends of the base.